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Anettt [7]
3 years ago
8

If x is the probability of an event happening, then which of the following represents x?

Mathematics
1 answer:
babymother [125]3 years ago
3 0

Answer:  The correct option is (C) 0\leq x\leq 1.

Step-by-step explanation:  Given that 'x' is the probability of an event happening.

We are to select the correct statement that represents 'x'.

We know that the probability of the happening of an event is always lie between 0 and 1.

If the probability of an event is 0, then it is a null event.

If the probability of an event is 1, then it is a sure event.

The probability of all other events lie between 0 and 1.

Therefore, the statement that represents 'x' is

0\leq x\leq 1.

Thus, (C) is the correct option.

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A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?
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2:5

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4 0
3 years ago
85.87 J or heat energy is added to a 34.8 g mass of substance the temperature rises from 21.76°C
Andru [333]

Answer:

The required specific heat is 196.94 joule per kg per °C  

Step-by-step explanation:

Given as :

The heat generated = Q = 85.87 J

Mass of substance  (m)= 34.8 gram = 0.0348 kg

Change in temperature = T2 - T1 = 34.29°C - 21.76°C = 12.53°C

Let the specific heat = S

Now we know that

Heat = Mass × specific heat × change in temperature

Or, Q = msΔt

Or, 85.87 = (0.0348 kg ) × S × 12.53°C

Or , 85.87 = 0.4360 × S

Or, S = \frac{85.87}{0.4360}

∴ S = 196.94 joule per kg per °C

Hence the required specific heat is 196.94 joule per kg per °C   Answer

7 0
3 years ago
Which function is shown on the graph?
monitta

Answer:

y = (1/2) cos (x)

Step-by-step explanation:

It has the same period as cos x but only goes half as high and half as low. Normalyy, cos(x) goes up to 1 and down to -1.

3 0
3 years ago
Which expression is equivalent to pq?<br> p+q <br> p-a<br> p/q<br> pq
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